Expect 15°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in San Sebastian in April. Check more long-term weather averages for San Sebastian in April before you book your next holiday to Spain in 2019/2020.

The April weather guide for San Sebastian, Spain shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Guide to San Sebastian weather in April

The average maximum daytime temperature in San Sebastian in April is a comfortable 15°C (59°F). The average night-time temperature is usually a cold 7°C (45°F). There are usually 5 hours of bright sunshine each day, which represents 35% of the 13 hours of daylight.

Expect 122mm (4.8 inches) of rainfall across the whole of April with 18 days with some rain falling. Maximum UV levels will be high (6 UV index) at midday when the skies are clear.

The average sea temperature in and around San Sebastian in April is 13°C (55°F).

San Sebastian sunrise & sunset times for April 2019

Browse the sunrise & sunset times for San Sebastian in April 2019. Select a month to view San Sebastian sunrise & sunset times for the next twelve months.